package com.hd.day02;

import java.util.HashMap;
import java.util.Set;

public class demo01 {
    public static void main(String[] args) {
        HashMap<String, String> map = new HashMap<>(3);
        map.put("name", "迪迦");
        map.put("技能", "激光");
        map.put("name", "小怪兽");



        System.out.println(map.get("name"));
        System.out.println(map.get("技能"));


        int a = 32;
        int b = 16;
        System.out.println((a |= b));
        System.out.println("48".hashCode());


    }
}
